<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<!DOCTYPE html>
<html>
<head>
    <title>JSP - Hello World</title>
</head>
<body>
<%--<a href="test/hello">Hello Controller</a>--%>
<form action="user/signIn" method="post">
   <%-- <input type="hidden" name="action" value="sign_in">--%>
    <input type="text" name="username" placeholder="USERNAME">
    <br>
    <input type="password" name="password" placeholder="PASSWORD">
    <br>
    <input type="submit" value="Sign In">
</form>
<a href="sign_up.jsp">Sign up</a>
<%--<h1>${sessionScope.message}</h1>
<h1 style="color: #f00;">${requestScope.error}</h1>--%>
</body>
</html>